Hog dehairing, polishing, and scraping machine.



` n'. s. REMIELD.

H06 DEHAIRING, POLISHING, AND SCRAPING MACHINE.

Arrucmon msn ma. l2. |911.

1,274,596. Patented Aug. 6, 19m

2 SHEETS-SHEET 2.

,59' azi@ UNITED STATES PATENT onirica.

ROBERT S. REDFIELD, OF CHICAGO, ILLINOIS.

To all whom it may concern:

Be itknown that I, ROBERT S. REDrniLD, a citizen of the United States of America, and a resident of Chicago, county of Cook, State of Illinois,yhave invented new and useful Improvements in Hog Dehairing, Polishing, and Scraping Machines, of which the following is a specification. y

My invention pertains to the packing house and by-products industry and relatesv especially to the type of machines employed in the process of removing the hair from hogs, preferably after the carcass has passed through a scalding vat, vwherein thehair becomes materially loosened; however, it will be readily apparent that the same method may be employed for the plucking of hides, not scalded, or for picking fowls, etc.

The object of my invention is to provide a device of the kind specified, simple in con-l ble strip has the action of a beater againstl the body of the hog, but Whereas this type of machineremove's the hair, its daily up# keep is prohibitive to the small packer, and extremely expensive tothose who are forced to employ its aid, as the rubber strip soon disintegrates, breaking away from the shaft at its point of juncture.

Another object of my invention is to produce the mechanical equivalent of a con tinuous chain,- circumventing the scalded carcass, at the Sametime making my device au.- tomatic in its actions, that is, I have found that in wrapping a chain around a scalded hog and then working thechain kback and forth, its action is to thoroughly remove all.

the hair andy to scrape and polish all the skin. But a chain so employed does not permit of the continuous automatic dehairing of onev carcass after another .without considerable manual labor, whereas 1n my device the hogs are fed past a common point hereinafter described, and are not neces- Specification of Letters Iatent.

many modications of the preferred vciple as above illustrated, andi HOG DEHAIRING, EOLISHING, AND SCRAPING- MACHINE. i

Patented Aug. 6, 1918.

r 5'" I Application filed March 12, 1917. Serial No. 154,088v

sarily subjected to any manual operation durlnothe process.

A further object of my invention is to i provide means for conveying the carcass past the dehairingapparatus, when it is de'- sired not to permit the dehairing mecha- Vnism in yitself to convey the carcass; however, this is optional as the dehairing means in itself is designed to accomplish this.

Still further objects of Vmy invention will be apparent tov those skilled in the art to which it appertains,as it is more fully set out in the following specification, as it is expressed in the appended claims, and as it is shown in the drawings; in whch- Y Figure 1 is a fragmental elevation of my dehairing apparatus.

Fig. 2 is an end elevation thereof. Fig. 3 is a diagrammatic representation of the actionV of the dehairer upon the carcass. Fig. 4: is a view similar to Fig. 3, wherein the carcass is driven contra to the path of movement of the dehairing mechanism.

Fig. 5 is an elevation representing one of t prin- Figs. 6 and 7 ,trespectively, are elevations ofthe tread of two styles of tires employed.

Similar reference characters refer respectively to similar parts throughout the several views.

In carrying out my invention I provide a longitudinally disposed trough, kconstructed of vertically spaced blades. The hog is discharged into this trough, either from the side or end thereof. This is not material, however, as the trough forms no part of my invention. A fragmental outline of one of j theseV blades is designated in Figs. 3 and 4 by the reference character 8.

My invention consists primarily of a drive shaft 10,k running longitudinally of the trough and placed in juxtaposition with the lower side thereof (Fig. 3) Head plates 11, are keyed to the shaft at each end respectively, which plates support a plurality of bars V12, running parallel with the drive shaft 10. A plurality of rings or tires, 13,

y are' threaded upon the bars 12, being spaced from one another by means of suitable-spacing plates 14. Inl Fig. 5 of the drawings, the tires 13, have been suplemented or replaced by a continuous ring of chain links 15, the ring so formed being supported from the bars 12, by means of tie-links 16. It is well here to remark that the specific construction of the rings or chains is not detailed. It is suggested, however, that these may be fabricated from metal or fabric, or from any of the many compounds derivative therefrom, or from their combinations (especially including rubber, and rubber fabric). rIhe periphery of the rings may be plain; or as shown in Figs. 6 and 7, they may be knurled or scored; or they may carry projecting ribs 17, which ribs may be o f a different material than the body of the ring itself: or the tread of the ring may be asshown at 18. The rings may be rigid or fieXible; they may be a true circle in outline; or they may partake of an irregular outline having but a single working face. The rings are susceptible of many mountmgs prohibitive of detailed description in this brief specification, but I have endeavored to cover all of these possibilities in the appended claims.

In operation, the shaft 10, carrying the plates 11 and 14, and the rods and tires 12 and 13, is placed adjacent the trough as shown, so that the blades 8 project inwardly between the spaces created by the spacing plates 14, and thus permit of the tires intercepting` the path of tra-vel of the hog, a schematic representation of the hog is designated by the reference character 19. The shaft 10, is rotated at a high rate of speed in the direction indicated by the arrow, Fig. 3, causing the tires 13 to seek their eXtreme outward position, Fig. 2. rlhe carcass is then fed into the trough and upon engagement with the tires, is stripped of its hairs, scraped and polished. The action of the tires, tends to rotate the carcass, while the tread 18 directs its travel through the trough. The dotted lines in Figs. 3 and Ll, diagrammatically represent the tire as it is pulled over the carcass and as it adjusts itself about the carcass, the carcass displacing these tires inwardly in opposition to the action of the centrifugal force which normally throws them outwardly.

In Fig. i of the drawings, I have shown a means 20, for rotating the hog contra to the path of movement of the tires. This same means 20, may` also have the effect of an Archimedean screw, and thus serves as a means independent of the action` of the tires for conveying the hog through the trough.

Having thus described my invention, it will be apparent to those skilled in the art that numerous modifications and refinements are possible without departing from the scope of my invention as expressed in the following` claims.

What I claim is:

1. In an apparatus for dehairing hides, a revolving carriage, dehairing means carried thereby, whereby the centrifugal force created by the revolving carriage will yieldably retain said dehairing means in Contact with the hair, and means for yieldably re taining the object to be dehaired in the working field of said dehairing means.

Q. In a hog dehairing` machine, a single unit comprising a carriage, a plurality of rings carried thereby, means for rotating said carriage and the subsequent expanding of said rings upon their bearings into contact with the hair, and means for retaining the hog within the working field of said rings.

3. In a hog dehairing machine, a carriage adapted when rotating to support the hog containing a plurality of rings, means for rotating said carriage and the subsequent expanding of said rings upon their bearings into Contact with the hair, and means foi conveying the hog past the working field of said dehairing means, said last mentioned means acting independently of said carriage.

'l. In a hog dehairing machine, a carriage, a plurality of rings carried thereby, means for rotating said carriage and the subsequent expanding of said rings upon their bearings into contact with the hair, means for retaining the hog in the working field of said rings, and means carried upon the face of said rings for conveying the hog past said dehairing means.

5. In a hog dehairing machine, a rotatable dehairing element consisting of a carriage comprising a series of spaced rods, a plurality of spools threaded upon each rod, means for spacing the spools from one another, means for rotating said spools as a carriage imparting centrifugal force, and means for conveying the hog past the dehairing element, said lastinentioned means being arranged in juxtaposition with said dehairing element.

6. In a hog dehairing machine, a carriage comprising a base, rods mounted thereon eccentric therewith, rings threaded upon said rods, the inside diameter of the rings being greater than the diameter of the rod upon which they are mounted, means for rotating said carriage and imparting centrifugal force to said rings and means for supporting the hog to one side of and in contact with the working field of said rings.

7. In combination with means for yieldably supporting a hog, a dehairing element comprising a beater carriage, radially eX- pandible rings revolubly mounted thereon, said carriage being arranged in juxtaposition with said supporting means.

8. In a device of the class described, a plurality of revoluble yieldable means adapted to rotate, advance, and dehair the carcass, means for bringing said carcass into the working field of said first mentioned revoluble means, and means for permitting the carcass to pass from said WOrking field.

9. In a hog dehairing machine, revoluble means adapted to rotate the carcass, :advance the carcass, and dehair the carcass, said carcass at all times being held in engagement With said dehairing means by its own Weight.

10. In a dehairing machine, the combination of a rotatable dehairing element operable b v centrifugal force to yieldably engage the object to be dehaired, and means for supporting the object in the path of said dehairing element, the path of movement of said object being at and adjacent to the pat-h of movement of said dehairing element.

l1. In a dehairing machine, the combina tion of a rotatable dehairing element operable by centrifugal force to engage the object to be dehaired, and means for supporting the object to be dehaired,` said last mentioned means being arranged at one side of said dehairing element and constructed to position the object to be devhaired in the path of the dehairin: element.

12. In aA dehairing machine, the combination of a rotatable dehairing element operable by centrifugal force to engage the object to be dehaired, and means for supporting the object, said lastrmentioned means being arranged to intersect the path of rotation of said dehairing element.

13. In a dehairing machine, the combination of a rotatable dehairing element operable hy centrifugal force to engage the object to be dehaired, means for supcporting A the object, said means being arrange to one side of and in the path of said dehairing means.

14:. In a dehairing machine the combination of a rotatable frame, revoluble elements arranged upon thel frame adapted to engage the object to be dehaired and means for supporting the object, said last mentioned means being arranged at and adjacent to the path of movement of said frame and adapted to position the object to be dehaired in the path of movement of said dehairing ele-- ments. i

l5. In a dehairing machine, the combination of a dehairing element operable by centrifugal force to engage the object to be dehaired and means for supporting the object, said dehairing element beingl arranged in juxtaposition to the supporting means.

Signed in the presence of the two subscribing Witnesses, this 9th 1917. l

ROBERT S. REDFIELD. [L. s] Witnesses:

M. A. TEHAN, WM. HAROLD Eroi-IELMAN.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

Washington, D. C.

day 0f March, 55 I 

